<html>
<head>
<title>登录</title>
</head>
<body>

<form action="/login" method="post">
    用户名:<input type="text" name="username">
    密码:<input type="password" name="password">

    <input type="submit" value="登陆">

    <input type="checkbox" name="note" value="备注1">备注1
    <input type="checkbox" name="note" value="备注2">备注2
    <input type="checkbox" name="note" value="备注3">备注3
</form>

</body>
</html>